Pre-treatmentThe overall quality of the coating system is largely dependent on the type and quality of the pre-treatment&period; The recommended types of pre-treatment for the most frequently used substrates are&colon;

Aluminium

Chromate conversion

Steel

Zinc phosphate

Zinc coated steel

Zinc phosphate or chromate conversion

Average coating rateA&period; Smooth Surface&colon;6-12&sol;KG&comma; film thickness 60μm &lpar;calculated according to 100 consuming of powder coating&rpar;B&period; Texture Surface&colon;5-7&sol;KG&comma;film thickness is about 80-120μm